<template>
  <div>
      <h1>欢迎来到bos.coinunited.io</h1>
      <!-- <ul>
          <li v-for="(itme,index) of arr" :key='index'>{{itme.a}}{{itme.b}}</li>
      </ul>
      <button @click="updata">点击</button> -->
  </div>
</template>

<script>
    export default {
    name:'userstatistics',
    data(){
        return{
            arr:[
                {a:1,b:2},
                {a:3,b:2}
            ]
        }
        
    },
    methods:{
         updata(){
          this.arr[1]['a'] = 'xiugai'
          
    }
    },
    mounted(){

    
}

}
</script>

<style>

</style>